Minimum:

Supported OS: A 100% Windows 2000/XP/Vista-compatible computer system
Processor: Pentium III or AMD Athlon 1 GHz
Memory: 256 MB
Graphics: 32 MB DirectX 9.0c-compliant graphics card
DirectX Version: DirectX 9.0c
Sound: DirectX 9.0c-compliant card
Hard Drive: 1.5 GB free hard disk space
Multiplayer: Broadband Internet connection with 64 kbps Kbps upstream or faster
*Supported Video Cards: NVIDIA GeForce 2 / 3 / 4/ FX / 6 families, ATI Radeon 8500/ 9000 / X families
Laptop versions of these cards are not fully supported.

Collections with The Settlers: Heritage of Kings